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julsineya [31]
2 years ago
15

If the order of a reaction with the regard to reagent A is 2, when the concentration of A doubles, the rate will

Chemistry
1 answer:
Anarel [89]2 years ago
3 0

Answer:

Rate will double

Explanation:

Since the concentration of A is doubling the rate of reaction will also double, since in this scenario concentration is proportional to rate of reaction. So if the concentration of A were to triple the rate of reaction would also triple.

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A 5.0 balloon containing nitrogen gas is cooled from 25 degrees to 5°C. What is the final volume of the balloon?
mylen [45]

Answer:

5.4

Explanation:

V1=5.0

T1=25+ 273=298

V2= z(unknown)

T2=5+273=278

V1/T1 =V2/T2

V2=V1T2/T1

=5*298/278

=5.4

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3 years ago
Evaporation and condensation
bagirrra123 [75]

Answer:

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Explanation:

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topjm [15]

Answer:

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Explanation:

²²⁶₈₈Ra → ²²²₈₆Rn  + ⁴₂He

Alpha particle is a helium nucleus with mass number 4 and atomic number 2. According to the law of conversation of mass, the sum of the mass number and atomic number must be equal on both side of the reaction.  

Since the mass number of Ra is 226 and that of He is 4. The mass number of the unknown element must be 226 - 4 = 222.  

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Now looking in the periodic table Radon is the only element with atomic number 86.  

3 0
3 years ago
How could you verify that you produced carbon dioxide in your combustion reaction? 2. what indication did you have that nh3 was
DanielleElmas [232]

1) Carbon dioxide is a gas, so when CO_{2} is evolved in the reaction, it appears as bubbles. The gas released extinguishes the fire and it can turn lime water milky.

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2) When NH_{3} is released in a decomposition reaction we can identify by the strong pungent smell of the gas released.

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3 years ago
Explain how humans acquire the energy to function.Explain the process of cellular respiration and how we obtain this energy.
Naddika [18.5K]

Answer:

energy = heat = producers = consumer animals =

decomposers = heat

Explanation:

this is the best

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2 years ago
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